21841936

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 44193600

約数和(自身を除く): 22351664

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 344, 424, 599, 688, 848, 1198, 2279, 2396, 4558, 4792, 9116, 9584, 18232, 25757, 31747, 36464, 51514, 63494, 103028, 126988, 206056, 253976, 412112, 507952, 1365121, 2730242, 5460484, 10920968, 21841936]

約数ペア:

[(1, 21841936), (2, 10920968), (4, 5460484), (8, 2730242), (16, 1365121), (43, 507952), (53, 412112), (86, 253976), (106, 206056), (172, 126988), (212, 103028), (344, 63494), (424, 51514), (599, 36464), (688, 31747), (848, 25757), (1198, 18232), (2279, 9584), (2396, 9116), (4558, 4792)]